一乐电子
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3337| 6
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74HC154和74HC595驱动的或 74HC164和74HC595驱动的 16x64的点阵时钟日历程序 |
点评
不用加什么非门啊,要加三极管来扩流
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|一淘宝店|手机版|商店|一乐电子
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